AR320400 Radio Box Set 4x4This high quality radio box set provides replacement parts for your kit supplied items. Includes 1 x Lower Receiver Box with Integrated Servo Mount 1 x Receiver Box Lid 1 x Motor Wire Guide 1 x Lid Seal 1 x Servo and ESC Wire Seal Features Specially designed to protect radio receivers from dirt and water damage Mounting holes for ESC have been molded into the lid Strong composite material for long lasting durability Precision manufactured rubber seals